//
//  XHQBaseCollectionVC.m
//  西楚网
//
//  Created by 徐汉卿 on 16/6/28.
//  Copyright © 2016年 徐汉卿. All rights reserved.
//

#import "XHQBaseCollectionVC.h"

@implementation XHQBaseCollectionVC


//- (UICollectionView *)collectionView
//{
//    if (!_collectionView) {
//        _collectionView = [[UICollectionView alloc] init];
//    }
//    return _collectionView;
//}

-(instancetype)init{
    if (self = [super init]) {
        
        
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
//    self.view.backgroundColor = [UIColor whiteColor];
    
    //    1.初始化layout
//    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
//    layout.sectionInset = UIEdgeInsetsMake(12, 12, 12, 12);
    //设置collectionView滚动方向
    //    [layout setScrollDirection:UICollectionViewScrollDirectionHorizontal];
    //设置headerView的尺寸大小
    //    layout.headerReferenceSize = CGSizeMake(self.view.frame.size.width, 100);
    //该方法也可以设置itemSize
    //    layout.itemSize =CGSizeMake(110, 150);
    
    //2.初始化collectionView
//    self.collectionView = [[UICollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:layout];
//
//
//    [self.view addSubview:self.collectionView ];
//
//    [self.collectionView mas_updateConstraints:^(MASConstraintMaker *make) {
//        make.edges;
//    }];
//
//    self.collectionView .backgroundColor = [UIColor clearColor];
    
    //3.注册collectionViewCell
    //注意，此处的ReuseIdentifier 必须和 cellForItemAtIndexPath 方法中 一致 均为 cellId
//    if (self.cellClassXHQ) {
//        [self.collectionView  registerClass:[self.cellClassXHQ class] forCellWithReuseIdentifier:@"cellId"];
//    }else{
//        [self.collectionView  registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cellId"];
//    }
    
    
    //注册headerView  此处的ReuseIdentifier 必须和 cellForItemAtIndexPath 方法中 一致  均为reusableView
//    [self.collectionView  registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"reusableView"];
//    
//    //4.设置代理
//    self.collectionView .delegate = self;
//    self.collectionView .dataSource = self;
    
    
//    self.needXiaLa =YES;
//    self.needShangLa =YES;
    
    
}



//-(void)setNeedXiaLa:(BOOL)needXiaLa
//{
//    WS(weakSelf);
//    
//    
//    if (needXiaLa) {//需要刷新
//        self.collectionView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
//            NSLog(@"基类控制器   下拉tableView的block");
//            if (weakSelf.xiaLaSEL) {
//                weakSelf.xiaLaSEL();
//                
//            }
//            
//        }];
//    }else{//不需要刷新
//        
//        [weakSelf.collectionView.mj_header removeFromSuperview];
//    }
//}
//
//
//
//-(void)setNeedShangLa:(BOOL)needShangLa
//{
//    
//    
//    WS(weakSelf);
//    if (needShangLa) {//需要刷新
//        
//        //        self.collectionView.mj_footer.automaticallyHidden = YES;
//        self.collectionView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
//            NSLog(@"基类控制器   下拉tableView的block");
//            if (weakSelf.shangLaSEL) {
//                weakSelf.shangLaSEL();
//                //                [self.collectionView.mj_footer endRefreshingWithNoMoreData];
//            }
//            
//        }];
//    }else{//不需要刷新
//        
//        [weakSelf.collectionView.mj_footer removeFromSuperview];
//    }
//    
//}


#pragma mark collectionView代理方法
//返回section个数
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
    return 1;
}

//每个section的item个数
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    return [self.dataArrayM count];
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    
    UICollectionViewCell *cell = (UICollectionViewCell *)[collectionView dequeueReusableCellWithReuseIdentifier:@"cellId" forIndexPath:indexPath];
    
    //    cell.backgroundColor = [UIColor blueColor];
    //    id model = self.dataArrayM[indexPath.row];
    //    [cell setValue :model forKey:@"model"];
    
    return cell;
}

//设置每个item的尺寸
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
    return self.cellSize;
}

//footer的size
//- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section
//{
//    return CGSizeMake(10, 10);
//}

//header的size
//- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForHeaderInSection:(NSInteger)section
//{
//    return CGSizeMake(10, 10);
//}

////边距设置:整体边距的优先级，始终高于内部边距的优先级
//- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout insetForSectionAtIndex:(NSInteger)section
//{
//    return UIEdgeInsetsMake(10, 10, 10, 10);
//}
//
////设置每个item水平间距
//- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section
//{
//    return 10;
//}


//设置每个item垂直间距
- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section
{
    return 0;
}

//通过设置SupplementaryViewOfKind 来设置头部或者底部的view，其中 ReuseIdentifier 的值必须和 注册是填写的一致，本例都为 “reusableView”
- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
    UICollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"reusableView" forIndexPath:indexPath];
    headerView.backgroundColor =[UIColor grayColor];
    UILabel *label = [[UILabel alloc] initWithFrame:headerView.bounds];
    label.text = @"这是collectionView的头部";
    label.font = [UIFont systemFontOfSize:20];
    [headerView addSubview:label];
    return headerView;
}

//点击item方法
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    //    UICollectionViewCell *cell = (UICollectionViewCell *)[collectionView cellForItemAtIndexPath:indexPath];
    
    
}






#pragma mark -懒加载


- (NSMutableArray *)dataArrayM
{
    if (!_dataArrayM) {
        _dataArrayM = [[NSMutableArray alloc] init];
    }
    return _dataArrayM;
    
}



-(Class)cellClassXHQ
{
    if (_cellClassXHQ == nil) {
        return [UICollectionViewCell class];
    }
    return _cellClassXHQ;
}





-(CGSize)cellSize
{
    if (_cellSize.width ==0 ) {
        return CGSizeMake(100, 100);
    }
    return _cellSize;
}
@end
